window.Modal = function () {  
    var reg = new RegExp("\\[([^\\[\\]]*?)\\]", 'igm');  
    var alr = $("#com-alert");  
    var ahtml = alr.html();  
  
    var _tip = function (options, sec) {  
        alr.html(ahtml);    // 复原  
        alr.find('.ok').hide();  
        alr.find('.cancel').hide();  
        alr.find('.modal-content').width(500);  
        _dialog(options, sec);  
          
        return {  
            on: function (callback) {  
            }  
        };  
    };  
  
    var _alert = function (options) {  
      alr.html(ahtml);  // 复原  
      alr.find('.ok').removeClass('btn-success').addClass('btn-primary');  
      alr.find('.cancel').hide();  
      _dialog(options);  
  
      return {  
        on: function (callback) {  
          if (callback && callback instanceof Function) {  
            alr.find('.ok').click(function () { callback(true) });  
          }  
        }  
      };  
    };  
  
    var _confirm = function (options) {  
      alr.html(ahtml); // 复原  
      alr.find('.ok').removeClass('btn-primary').addClass('btn-success');  
      alr.find('.cancel').show();  
      _dialog(options);  
  
      return {  
        on: function (callback) {  
          if (callback && callback instanceof Function) {  
            alr.find('.ok').click(function () { callback(true) });  
            alr.find('.cancel').click(function () { return; });  
          }  
        }  
      };  
    };  
  
    var _dialog = function (options) {  
      var ops = {  
        msg: "提示内容",  
        title: "操作提示",  
        btnok: "确定",  
        btncl: "取消"  
      };  
  
      $.extend(ops, options);  
  
      var html = alr.html().replace(reg, function (node, key) {  
        return {  
          Title: ops.title,  
          Message: ops.msg,  
          BtnOk: ops.btnok,  
          BtnCancel: ops.btncl  
        }[key];  
      });  
        
      alr.html(html);  
      alr.modal({  
        width: 250,  
        backdrop: 'static'  
      });  
    }  
  
    return {  
      tip: _tip,  
      alert: _alert,  
      confirm: _confirm  
    }  
  
}();  



/** 
 * 显示提示消息（自动关闭） 
 * @param msg 
 * @param sec 显示时间（毫秒） 
 * @param callback 回调函数 
 */  
 function showTip(msg, sec, callback){  
    if(!sec) {  
        sec = 1000;  
    }  
    Modal.tip({  
        title:'提示',  
        msg: msg  
    }, sec);  
    setTimeout(callback, sec);  
}  
  
/** 
 * 显示消息 
 * @param msg 
 */  
function showMsg(msg, callback){  
    Modal.alert({  
        title:'提示',  
        msg: msg,  
        btnok: '确定'  
    }).on(function (e) {  
        if(callback){  
            callback();  
        }  
     });  
}  
  
/** 
 * 模态对话框 
 * @param msg 
 * @returns 
 */  
function showConfirm(msg,callback){  
    //var res = false;  
    Modal.confirm(  
      {  
          title:'提示',  
          msg: msg,  
      }).on( function (e) {  
          callback();  
          //res=true;  
      });  
    //return res;  
}